diff options
Diffstat (limited to 'src/H5Dlayout.c')
| -rw-r--r-- | src/H5Dlayout.c | 118 |
1 files changed, 57 insertions, 61 deletions
diff --git a/src/H5Dlayout.c b/src/H5Dlayout.c index 01898f2..85882fe 100644 --- a/src/H5Dlayout.c +++ b/src/H5Dlayout.c @@ -104,6 +104,10 @@ H5D__layout_set_io_ops(const H5D_t *dataset) dataset->shared->layout.ops = H5D_LOPS_COMPACT; break; + case H5D_VIRTUAL: + dataset->shared->layout.ops = H5D_LOPS_VIRTUAL; + break; + case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: @@ -169,6 +173,11 @@ H5D__layout_meta_size(const H5F_t *f, const H5O_layout_t *layout, hbool_t includ ret_value += H5F_SIZEOF_ADDR(f); /* Address of data */ break; + case H5D_VIRTUAL: + ret_value += H5F_SIZEOF_ADDR(f); /* Address of global heap */ + ret_value += 4; /* Global heap index */ + break; + case H5D_LAYOUT_ERROR: case H5D_NLAYOUTS: default: @@ -382,68 +391,55 @@ H5D__layout_oh_read(H5D_t *dataset, hid_t dxpl_id, hid_t dapl_id, H5P_genplist_t if(H5D_CHUNKED == dataset->shared->layout.type) dataset->shared->layout.u.chunk.ndims++; - switch(dataset->shared->layout.type) { - case H5D_CONTIGUOUS: - { - hsize_t tmp_size; /* Temporary holder for raw data size */ - size_t tmp_sieve_buf_size; /* Temporary holder for sieve buffer size */ - - /* Compute the size of the contiguous storage for versions of the - * layout message less than version 3 because versions 1 & 2 would - * truncate the dimension sizes to 32-bits of information. - QAK 5/26/04 - */ - if(dataset->shared->layout.version < 3) { - hssize_t snelmts; /* Temporary holder for number of elements in dataspace */ - hsize_t nelmts; /* Number of elements in dataspace */ - size_t dt_size; /* Size of datatype */ - - /* Retrieve the number of elements in the dataspace */ - if((snelmts = H5S_GET_EXTENT_NPOINTS(dataset->shared->space)) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve number of elements in dataspace") - nelmts = (hsize_t)snelmts; - - /* Get the datatype's size */ - if(0 == (dt_size = H5T_GET_SIZE(dataset->shared->type))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve size of datatype") - - /* Compute the size of the dataset's contiguous storage */ - tmp_size = nelmts * dt_size; - - /* Check for overflow during multiplication */ - if(nelmts != (tmp_size / dt_size)) - HGOTO_ERROR(H5E_DATASET, H5E_OVERFLOW, FAIL, "size of dataset's storage overflowed") - - /* Assign the dataset's contiguous storage size */ - dataset->shared->layout.storage.u.contig.size = tmp_size; - } else - tmp_size = dataset->shared->layout.storage.u.contig.size; - - /* Get the sieve buffer size for the file */ - tmp_sieve_buf_size = H5F_SIEVE_BUF_SIZE(dataset->oloc.file); - - /* Adjust the sieve buffer size to the smaller one between the dataset size and the buffer size - * from the file access property. (SLU - 2012/3/30) */ - if(tmp_size < tmp_sieve_buf_size) - dataset->shared->cache.contig.sieve_buf_size = tmp_size; - else - dataset->shared->cache.contig.sieve_buf_size = tmp_sieve_buf_size; - } - break; - - case H5D_CHUNKED: - /* Initialize the chunk cache for the dataset */ - if(H5D__chunk_init(dataset->oloc.file, dxpl_id, dataset, dapl_id) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't initialize chunk cache") - break; - - case H5D_COMPACT: - break; + if(H5D_CONTIGUOUS == dataset->shared->layout.type) { + hsize_t tmp_size; /* Temporary holder for raw data size */ + size_t tmp_sieve_buf_size; /* Temporary holder for sieve buffer size */ + + /* Compute the size of the contiguous storage for versions of the + * layout message less than version 3 because versions 1 & 2 would + * truncate the dimension sizes to 32-bits of information. - QAK 5/26/04 + */ + if(dataset->shared->layout.version < 3) { + hssize_t snelmts; /* Temporary holder for number of elements in dataspace */ + hsize_t nelmts; /* Number of elements in dataspace */ + size_t dt_size; /* Size of datatype */ + + /* Retrieve the number of elements in the dataspace */ + if((snelmts = H5S_GET_EXTENT_NPOINTS(dataset->shared->space)) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve number of elements in dataspace") + nelmts = (hsize_t)snelmts; + + /* Get the datatype's size */ + if(0 == (dt_size = H5T_GET_SIZE(dataset->shared->type))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to retrieve size of datatype") + + /* Compute the size of the dataset's contiguous storage */ + tmp_size = nelmts * dt_size; + + /* Check for overflow during multiplication */ + if(nelmts != (tmp_size / dt_size)) + HGOTO_ERROR(H5E_DATASET, H5E_OVERFLOW, FAIL, "size of dataset's storage overflowed") + + /* Assign the dataset's contiguous storage size */ + dataset->shared->layout.storage.u.contig.size = tmp_size; + } /* end if */ + else + tmp_size = dataset->shared->layout.storage.u.contig.size; + + /* Get the sieve buffer size for the file */ + tmp_sieve_buf_size = H5F_SIEVE_BUF_SIZE(dataset->oloc.file); + + /* Adjust the sieve buffer size to the smaller one between the dataset size and the buffer size + * from the file access property. (SLU - 2012/3/30) */ + if(tmp_size < tmp_sieve_buf_size) + dataset->shared->cache.contig.sieve_buf_size = tmp_size; + else + dataset->shared->cache.contig.sieve_buf_size = tmp_sieve_buf_size; + } /* end if */ - case H5D_LAYOUT_ERROR: - case H5D_NLAYOUTS: - default: - HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown storage method") - } /* end switch */ /*lint !e788 All appropriate cases are covered */ + /* Initialize the layout information for the new dataset */ + if(dataset->shared->layout.ops->init && (dataset->shared->layout.ops->init)(dataset->oloc.file, dxpl_id, dataset, dapl_id) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize layout information") done: FUNC_LEAVE_NOAPI(ret_value) |